WebAssembly: enable Swift calling convention in ISelLowering, ignore hot/cold split directives

zhuowei · zhuowei · commit a9310d5724f8 · 2019-05-01T21:03:09.000-07:00
diff --git a/lib/MC/MCWasmStreamer.cpp b/lib/MC/MCWasmStreamer.cpp
@@ -89,6 +89,7 @@ bool MCWasmStreamer::EmitSymbolAttribute(MCSymbol *S, MCSymbolAttr Attribute) {
   getAssembler().registerSymbol(*Symbol);
 
   switch (Attribute) {
+  case MCSA_Cold:
   case MCSA_LazyReference:
   case MCSA_Reference:
   case MCSA_SymbolResolver:
diff --git a/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
@@ -598,7 +598,8 @@ static bool CallingConvSupported(CallingConv::ID CallConv) {
          CallConv == CallingConv::Cold ||
          CallConv == CallingConv::PreserveMost ||
          CallConv == CallingConv::PreserveAll ||
-         CallConv == CallingConv::CXX_FAST_TLS;
+         CallConv == CallingConv::CXX_FAST_TLS ||
+         CallConv == CallingConv::Swift;
 }
 
 SDValue

Original file line number	Diff line number	Diff line change
`@@ -598,7 +598,8 @@ static bool CallingConvSupported(CallingConv::ID CallConv) {`
`598`	`598`	`CallConv == CallingConv::Cold \|\|`
`599`	`599`	`CallConv == CallingConv::PreserveMost \|\|`
`600`	`600`	`CallConv == CallingConv::PreserveAll \|\|`
`601`		`- CallConv == CallingConv::CXX_FAST_TLS;`
	`601`	`+ CallConv == CallingConv::CXX_FAST_TLS \|\|`
	`602`	`+ CallConv == CallingConv::Swift;`
`602`	`603`	`}`
`603`	`604`
`604`	`605`	`SDValue`